7. Ryan has $3.00 worth of coins in his coin jar. If the jar contains 16 coins and all of the coins in the jar are either nickels or quarters. How many quarters does he have?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'